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Docs are comprised from "Usage", "Summary" and "Help" sections, where "Help" can span multiple commented lines. If it is missing, "Summary" is shown in its place. References #204, references #206
81 lines
1.6 KiB
Bash
Executable file
81 lines
1.6 KiB
Bash
Executable file
#!/usr/bin/env bash
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# Usage: rbenv which COMMAND
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# Summary: Display full path to a binary
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# Help: Displays the full path to the binary that rbenv will execute when you
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# run the given command.
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set -e
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[ -n "$RBENV_DEBUG" ] && set -x
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# Provide rbenv completions
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if [ "$1" = "--complete" ]; then
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exec rbenv shims --short
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fi
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expand_path() {
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if [ ! -d "$1" ]; then
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return 1
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fi
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local cwd="$(pwd)"
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cd "$1"
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pwd
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cd "$cwd"
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}
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remove_from_path() {
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local path_to_remove="$(expand_path "$1")"
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local result=""
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if [ -z "$path_to_remove" ]; then
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echo "${PATH}"
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return
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fi
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local paths
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IFS=: paths=($PATH)
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for path in "${paths[@]}"; do
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path="$(expand_path "$path" || true)"
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if [ -n "$path" ] && [ "$path" != "$path_to_remove" ]; then
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result="${result}${path}:"
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fi
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done
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echo "${result%:}"
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}
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RBENV_VERSION="$(rbenv-version-name)"
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RBENV_COMMAND="$1"
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if [ -z "$RBENV_COMMAND" ]; then
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rbenv-help which | head -1 >&2
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exit 1
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fi
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if [ "$RBENV_VERSION" = "system" ]; then
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PATH="$(remove_from_path "${RBENV_ROOT}/shims")"
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RBENV_COMMAND_PATH="$(command -v "$RBENV_COMMAND" || true)"
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else
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RBENV_COMMAND_PATH="${RBENV_ROOT}/versions/${RBENV_VERSION}/bin/${RBENV_COMMAND}"
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fi
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for script in $(rbenv-hooks which); do
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source "$script"
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done
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if [ -x "$RBENV_COMMAND_PATH" ]; then
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echo "$RBENV_COMMAND_PATH"
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else
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echo "rbenv: $RBENV_COMMAND: command not found" >&2
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versions="$(rbenv-whence "$RBENV_COMMAND" || true)"
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if [ -n "$versions" ]; then
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{ echo
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echo "The \`$1' command exists in these Ruby versions:"
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echo "$versions" | sed 's/^/ /g'
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echo
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} >&2
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fi
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exit 127
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fi
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